我有这个html代码,我想用jQuery编辑。 这是html。
<html>
<head>
<title>JQuery Problem 1</title>
<script type="text/javascript" src="jquery-1.4.min.js"></script>
<script type="text/javascript" src="problem1.js"></script>
</head>
<body>
<ol>
<li>Comp 250
<ul>
<li>HTML</li>
<li>CSS</li>
<li>CGI</li>
<li>PHP</li>
<li>JavaScript</li>
</ul>
</li>
<li>Comp 345
<ul>
<li>Objects and classes</li>
<li>Static and constant members</li>
<li>Operator overloading</li>
<li>Templates</li>
<li>Inheritance</li>
<li>Polymorphism</li>
</ul>
</li>
<li>Comp 431
<ul>
<li>Perl language</li>
<li>File uploads and downloads</li>
<li>AJAX and JSON</li>
<li>Java Servlets</li>
<li>JSP</li>
</ul>
</li>
</ol>
</body>
</html>
我想要做的是编辑Ol列表的列表标签。所以我要编辑的标签是
<li>Comp 250
<li> Comp 345
<li> Comp 431
this is how i want them to be
<li style="margin: 1em; font-weight: bold">Comp 250
<li style="margin: 1em; font-weight: bold">Comp 245
<li style="margin: 1em; font-weight: bold">Comp 431
答案 0 :(得分:2)
一些事情:
css()
设置样式属性; <ul>
位于list元素中,因此粗体也将应用于子列表元素。所以你有两个选择:
<span>
;或对于第一个,只获取文本节点有点棘手但可以完成。尝试:
$("ol > li").each(function() {
$($(this).contents()[0]).wrap("<span>").parent()
.css({margin: "1em", fontWeight: "bold"});
});
输出结果为:
<ol>
<li><span style="margin: 1em; font-weight: bold;">Comp 250 </span>
<ul>
<li>HTML</li>
<li>CSS</li>
<li>CGI</li>
<li>PHP</li>
<li>JavaScript</li>
</ul>
</li>
<li><span style="margin: 1em; font-weight: bold;">Comp 345 </span>
<ul>
<li>Objects and classes</li>
<li>Static and constant members</li>
<li>Operator overloading</li>
<li>Templates</li>
<li>Inheritance</li>
<li>Polymorphism</li>
</ul>
</li>
<li><span style="margin: 1em; font-weight: bold;">Comp 431 </span>
<ul>
<li>Perl language</li>
<li>File uploads and downloads</li>
<li>AJAX and JSON</li>
<li>Java Servlets</li>
<li>JSP</li>
</ul>
</li>
</ol>
或者,您可以更改内部列表中的字体粗细:
$("ol > li").css({margin: "1em", fontWeight: "bold"})
.find("ul").css({fontWeight: "normal"});